[INFO] fetching crate juniper_warp 0.5.2...
[INFO] documenting juniper_warp-0.5.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate juniper_warp 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate juniper_warp 0.5.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juniper_warp 0.5.2
[INFO] finished tweaking crates.io crate juniper_warp 0.5.2
[INFO] tweaked toml for crates.io crate juniper_warp 0.5.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate juniper_warp 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded warp v0.1.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bc74055402f2604c90c5d31e74baee8e945b74474dd2ee7c135052fbc2cf3f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bc74055402f2604c90c5d31e74baee8e945b74474dd2ee7c135052fbc2cf3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc74055402f2604c90c5d31e74baee8e945b74474dd2ee7c135052fbc2cf3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc74055402f2604c90c5d31e74baee8e945b74474dd2ee7c135052fbc2cf3f6", kill_on_drop: false }`
[INFO] [stdout] 7bc74055402f2604c90c5d31e74baee8e945b74474dd2ee7c135052fbc2cf3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f12a1bf8b5ffa05cafd303b70ebb9038b0f5a16aa9631f62a0e67bf153b4d3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f12a1bf8b5ffa05cafd303b70ebb9038b0f5a16aa9631f62a0e67bf153b4d3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking warp v0.1.20
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling juniper_codegen v0.14.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking juniper v0.14.2
[INFO] [stderr]  Documenting juniper_warp v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "5f12a1bf8b5ffa05cafd303b70ebb9038b0f5a16aa9631f62a0e67bf153b4d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f12a1bf8b5ffa05cafd303b70ebb9038b0f5a16aa9631f62a0e67bf153b4d3d", kill_on_drop: false }`
[INFO] [stdout] 5f12a1bf8b5ffa05cafd303b70ebb9038b0f5a16aa9631f62a0e67bf153b4d3d